45.0 degrees by 0.047 in deep chamfer on edge of both sides
A transparent item of a predetermined size that permits unobstructed and undistorted view of a desired area. It may include a frame, have reference markings, grid lines and may be heat strengthened and/or tinted. It is generally used where safety, security, and/or the restriction of foreign matter are required, such as the visual examination of the inside of pressurized tanks, liquid sights, controlled liquid flow, and inspection of equipment enclosed in a housing. See window (as modified); scale, cathode ray tube; scale, plotting; window, metal; window, wood; and window panel, aircraft.
Classification: Pressed or molded glass articles, wired or not, for building or construction;leaded glass windows etc; formed multicellular or foam glass
NSN 5910-01-218-0449
NSN 6220-01-608-7715
NSN 5905-01-195-3731
NSN 7035-01-630-3552
NSN 5999-00-949-0265
NSN 6150-01-521-5386
NSN 6610-01-416-8384
NSN 5905-00-523-0190
NSN 6320-00-036-3688
NSN 6645-00-498-6869
NSN 6650-01-013-3243
NSN 5990-01-254-3197